您要查找的是不是：
- The standard image and bone tissue subtraction images compare the show rate of different segments of the rib fractures. 选取标准图像和骨组织减影图像，并比较两图像对肋骨不同节段骨折的显示率。
- Two from five is a simple subtraction. 五减二是简单的减法。
- If you subtract 2 from 8, you get 6. 8减去2是6。
- Subtract 3 from 7 and you have 4. 七减三得四。
- The little girl has begun to learn to add and subtract. 这小女孩已在学做加减法了。
- subtraction imaging 减影显像
- We do addition and subtraction in arithmetic. 在算术里，我们作加减运算。
- If you subtract 3 from 5, you get 2. 五减去三就得二。
- When we do subtraction,we take things away. 当我们做减法的时候，我们取走事物。
- If you subtract two from five you get three. 五减去二剩下三。
- The children are learning to add and subtract. 孩子们学做加减法。
- Subtraction is the inverse operation of addition. 减法是加法的逆运算。
- My father taught me to do addition and subtraction. 我爸爸教我加减法。
- Children learning addition and subtraction. 学习加减发的儿童。
- What is the rule for subtraction of like fractions? 两分母相同的分数减法法则?
- You've just learnt the subtraction. 你们刚学了减法。
- At this age, you should be able to subtract one fraction from another. 在你这个年龄，你应该会演算分数减法了。
- You must learn to add and subtract in arithmetic. 学算术要学会加法和减法。
- Why and when to use document imaging? 为什么、在何时使用document imaging?
- The difference is found by subtraction. 用减法得出差额。
